extension

USAGE SUMMARY

The word "extension" is correct and usable in written English.
It can be used to describe a length of time, a part of something, or the action of lengthening something. Example sentence: The teacher granted the student an extension on the deadline for the paper.

✓ Grammatically correct

News & Media

Formal & Business

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Analysts said it was clear that more than four months of wrangling over the terms of an extension to the country's massive bailout programme has taken its toll.

The Guardian - Business

"I can tell you that extension is not and has not been a subject of negotiations at this point," a senior US official said, adding that it would be "difficult, but possible" to complete a deal by Monday night.

The Guardian

The incident represents an embarrassing episode for Coleman and the FAW, with the former Fulham manager, who is close to agreeing a contract extension, nowhere to be seen as his team went through their final pre-match preparations.

The Guardian - Sport

Those who want a straight extension of the Patriot Act are in a distinct minority and supporters of the USA Freedom Act still cannot muster the necessary super majority to advance the bill.

The Guardian

As he put it, there are those who want a "straight extension, those who like USA Freedom and those who like nothing".

The Guardian

He added that proponents of a short term extension were able to argue that supporting the bill meant staying on Capitol Hill all week.

The Guardian

Tate Modern became almost too popular for its own good, a heaving cultural souk – acutely in need of its planned extension – where art can occasionally be seen between massed heads and shoulders.

The Guardian - Arts

Similarly, the government found $300m for a year-long extension of funding for mental health services.

The Guardian

Selling an annuity is a logical extension to the new pension freedoms and carries similar risks.

The Guardian - Money

Unfortunately for Allen and everybody else, her music video seems unable to stand in and of itself, representing only her opinions, but is instead being seen as some kind of expression of all feminism – and by extension all women.

The Guardian - Opinion

The Coalition says the extension of the program fulfils an election promise.

The Guardian

Expert writing Tips

Best practice

Use "extension" to describe a period granted beyond the original deadline.

Common error

Avoid using "extension" interchangeably with similar terms like "expansion" or "addition" without considering the specific context. "Extension" often implies lengthening or prolonging something already existing, whereas "expansion" refers to increasing the scope or size and "addition" means simply adding something new.

Linguistic Context

The primary grammatical function of "extension" is as a noun. It refers to the act of extending, the state of being extended, or something that extends or enlarges another thing. Ludwig AI confirms that the word is correct and usable in various contexts.

Expression frequency: Very common

Frequent in

News & Media

48%

Formal & Business

26%

Science

18%

Less common in

Arts

4%

Lifestyle

2%

Opinion

2%

Ludwig's WRAP-UP

In summary, the word "extension" functions primarily as a noun and enjoys widespread usage across diverse domains. Ludwig AI validates its grammatical correctness and versatility, as it can denote both physical enlargements and the act of prolonging something, with high frequency in News & Media, Formal & Business and Science. When using "extension", keep in mind its core meaning of lengthening or continuing something already existing, as this helps prevent confusion with related terms like "expansion" or "addition". Be mindful of the appropriate context, especially regarding common phrases like "file extension" and situations requiring deadline extensions.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

prolongation

Emphasizes the act of lengthening or extending something in time.

continuation

Highlights the uninterrupted nature of something ongoing.

elongation

Focuses on making something longer, often physically.

augmentation

Implies an increase in size, amount, or degree.

expansion

Suggests an increase in scope, size, or influence.

addition

Focuses on the act of adding something to increase its size or functionality.

supplement

Indicates providing something extra to complete or enhance.

annex

Specifically refers to adding a part or section to something larger.

adjunct

Implies something added but not necessarily integral.

outgrowth

Suggests something that develops or arises from something else.

FAQs

How can I use "extension" in a sentence?

You can use "extension" to refer to lengthening something physically, like "the "extension of the building"", or to granting additional time, as in "requesting an "extension on the deadline"".

What's a good substitute for the word "extension"?

Depending on the context, you can replace "extension" with "prolongation", "continuation", or "expansion". Choose the word that best fits the specific meaning you intend to convey.

Is it correct to say "file extension" or "extension file"?

The correct and commonly used term is "file extension". This refers to the suffix at the end of a filename that indicates the file type (e.g., .txt, .pdf).

What is the difference between "extension" and "expansion"?

"Extension" generally refers to lengthening or continuing something that already exists. "Expansion", on the other hand, refers to increasing the size, scope, or scale of something. For example, an "extension" cord makes an electrical cord longer, while the "expansion" of a business means it is growing in size and reach.